Finding the Third Proportional to 585,280.69 and 1,276,920.86

Step by Step Solution

1. Step 1: Write the proportion equation
   585,280.69 : 1,276,920.86 = 1,276,920.86 : x
2. Step 2: Convert to fraction form
   585,280.69/1,276,920.86 = 1,276,920.86/x
3. Step 3: Cross multiply
   585,280.69x = 1,276,920.86 × 1,276,920.86
4. Step 4: Simplify right side
   585,280.69x = 1,630,526,886,094.90
5. Step 5: Solve for x
   x = 1,630,526,886,094.90/585,280.69
6. Step 6: Final answer
   x = 2,785,888.76